Cartridge for an inkjet printer



FIG. 1 is a front elevation view of a cartridge for an inkjet printer according to the present invention;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof; and,

FIG. 7 is a top, front and right side perspective view thereof.

The broken lines are for illustration only and form no part of the claimed design. 

The ornamental design for a cartridge for an inkjet printer, as shown and described. 